Penn Athletic Club Rowing Association (commonly known as Penn AC) is an amateur rowing club located at #12 Boathouse Row in the historic Boathouse Row of Philadelphia, Pennsylvania.

Penn AC was founded in 1871 as the West Philadelphia Boat Club.

[2] Penn AC has been a destination for elite rowers looking to make the US National Team, ever since John B. Kelly Sr. joined Penn AC after a schism with his former club, Vesper.

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